4x^2=-16x+9

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Solution for 4x^2=-16x+9 equation:


Simplifying
4x2 = -16x + 9

Reorder the terms:
4x2 = 9 + -16x

Solving
4x2 = 9 + -16x

Solving for variable 'x'.

Reorder the terms:
-9 + 16x + 4x2 = 9 + -16x + -9 + 16x

Reorder the terms:
-9 + 16x + 4x2 = 9 + -9 + -16x + 16x

Combine like terms: 9 + -9 = 0
-9 + 16x + 4x2 = 0 + -16x + 16x
-9 + 16x + 4x2 = -16x + 16x

Combine like terms: -16x + 16x = 0
-9 + 16x + 4x2 = 0

Factor a trinomial.
(-9 + -2x)(1 + -2x) = 0

Subproblem 1

Set the factor '(-9 + -2x)' equal to zero and attempt to solve: Simplifying -9 + -2x = 0 Solving -9 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -2x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -2x = 0 + 9 -2x = 0 + 9 Combine like terms: 0 + 9 = 9 -2x = 9 Divide each side by '-2'. x = -4.5 Simplifying x = -4.5

Subproblem 2

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Solution

x = {-4.5, 0.5}

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